WO2023045971A1 - 移动信息报告方法以及用户设备 - Google Patents

移动信息报告方法以及用户设备 Download PDF

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Publication number
WO2023045971A1
WO2023045971A1 PCT/CN2022/120219 CN2022120219W WO2023045971A1 WO 2023045971 A1 WO2023045971 A1 WO 2023045971A1 CN 2022120219 W CN2022120219 W CN 2022120219W WO 2023045971 A1 WO2023045971 A1 WO 2023045971A1
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pcell
information
entry
mhi
mobilityinformationreport
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PCT/CN2022/120219
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English (en)
French (fr)
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常宁娟
刘仁茂
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夏普株式会社
常宁娟
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Publication of WO2023045971A1 publication Critical patent/WO2023045971A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/324—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by mobility data, e.g. speed data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present disclosure relates to the technical field of wireless communication, and more specifically, the present disclosure relates to a method for reporting mobile information in a dual connectivity (Dual Connectivity, DC) scenario and a corresponding user equipment.
  • DC Dual Connectivity
  • network optimization can achieve the purpose of optimizing network performance.
  • data collection and data analysis are carried out on the existing deployed and operating networks to find out the reasons that affect the network quality, and to improve network performance by modifying the configured network parameters, adjusting the network structure and deployed equipment, etc.
  • SON Self-configuration and Self-Optimization Network
  • the network side can configure the UE to perform SON measurement.
  • the SON function includes many aspects, such as the Automatic Neighbor Relation Function (ANR, Automatic Neighbor Relation Function) used to reduce the operator's neighbor management burden, and the Mobile Load Balancing function (MLB, Mobility Load Function) used to balance the responsibility between different cells. Balancing), mobile robustness optimization function (MRO, Mobility Robustness Optimization) for optimizing mobile performance, random access channel optimization function for optimizing random access channel parameters and radio link failure for optimizing coverage and MRO reporting functions, etc.
  • ANR Automatic Neighbor Relation Function
  • MLB Mobile Load Balancing function
  • MRO Mobility Robustness Optimization
  • the purpose of this disclosure is to realize the enhanced mobile information reporting mechanism in the NR system, and further, to propose a solution to the problem of how the UE records the mobile information in the DC scenario.
  • Embodiments of the present disclosure provide a mobile information reporting method executed in a user equipment and a corresponding user equipment.
  • a user equipment UE comprising:
  • the UE receives a first UEInformationRequest message from the network side, and the first UEInformationRequest message includes an indication for requesting the UE to report mobile history information MHI;
  • the UE performs a first operation when generating a second UEInformationResponse message in response to the network side, the first operation is to include the mobilityInformationReport information element, and set the mobilityInformationReport information element to include saving the MHI The operation of the entry in the UE variable,
  • the UE sends the second UEinformationResponse message to the network side, where the second UEinformationResponse message includes the MHI generated in the second step.
  • the second aspect of the present disclosure when generating a response to the network side, the second
  • the mobilityInformationReport information element including the mobilityInformationReport information element, and setting the mobilityInformationReport to include an entry in the UE variable storing the mobility history information;
  • the mobilityInformationReport information element including the mobilityInformationReport information element, and setting the mobilityInformationReport to include an entry in the UE variable storing the mobility history information;
  • the indication is to instruct the UE to report the MHI that does not include the S-MHI.
  • the indication enables the UE to report the MHI including the S-MHI.
  • the UE is in the last entry of the mobilityInformationReport information element Do one or more of the following in the entry:
  • a sub-entry for recording the information of the current PSCell is added, and the sub-entry includes the cell identity of the PSCell or the time spent in the PSCell.
  • the UE includes a new entry for the current PCell in the mobilityInformationReport information element , and in that entry do one or more of the following:
  • a sub-entry for recording the information of the current PSCell is added, and the sub-entry includes the cell identity of the PSCell or the time spent in the PSCell.
  • the UE deletes the mobilityInformationReport The last entry in the information element.
  • the UE will enter the mobilityInformationReport information element
  • the last entry in contains the time information of staying in the current PCell.
  • a user equipment including: a processor; and a memory storing instructions; wherein the instructions execute the mobile information reporting method according to the context when executed by the processor.
  • a mobile information reporting method executed in a user equipment and a corresponding user equipment are provided.
  • FIG. 1 is a schematic diagram of a scene where a user equipment records an MHI according to the present invention.
  • FIG. 2 is a flow chart of the method executed by the user equipment involved in Embodiments 1-3.
  • FIG. 3 is a block diagram showing a user equipment UE according to the present invention.
  • LTE Long Term Evolution
  • NR New Radio Access
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • the RRC inactive state may also correspond to the RRC idle state in which the RRC connection is suspended in the LTE system.
  • Cancel, Release, Delete, Empty and Clear etc. can be substituted.
  • Execution, use, and application are interchangeable.
  • Configuration and reconfiguration can be replaced. Links and connections can be replaced. Monitor and detect are interchangeable.
  • the UE can obtain radio resources through two base stations at the same time.
  • One of them is the master base station (Master Node, MN), which is the base station that the UE maintains the RRC connection and accesses through the initial access process or the handover process; the other is called the secondary base station (Secondary Node, SN), which can be used by the UE Provide additional wireless resources.
  • the MN can include one or more serving cells, called the Master Cell Group (MCG), which includes a primary cell (PCell); the SN can also include one or more serving cells, called the secondary A cell group (Secondary Cell Group, SCG), which includes a primary secondary cell group cell/or a primary secondary cell PSCell.
  • MCG Master Cell Group
  • SCG secondary A cell group
  • the PCell and the PSCell may be collectively referred to as a special cell spCell.
  • SN, SCG, and PSCell can be replaced, and MN, MCG, and PCell can be replaced.
  • SN add/change/release, SCG add/change/release, MR-DC add/change/release, PSCell add/change/release can be replaced to a certain extent.
  • the mobile information reporting mechanism in the existing mechanism is the mobile information reporting mechanism in the existing mechanism:
  • MHI mobility history information
  • PCell Primary Cell
  • the network side can know the moving track of the UE and determine the moving speed of the UE to a certain extent.
  • the network side determines the mobility operation of the UE, such as the configuration of the handover parameters and the selection of the handover target cell, it can combine the acquired information to perform more optimal configuration, so as to ensure the mobility performance of the UE.
  • an entry is added to the UE variable VarMobilityHistoryReport, and the cell identity of the previous serving cell/PCell is recorded in the visitedCellId information element (global The global cell identity or the physical cell identity and the carrier frequency of the cell), and the time spent/spent in the cell (identified by the timeSpent information element).
  • visitedCellId information element global The global cell identity or the physical cell identity and the carrier frequency of the cell
  • the UE when the UE enters E-UTRA, if it was in the out of service state or used other access technologies (Radio Access Technology, RAT), the UE will also add an entry to the variable VarMobilityHistoryReport, in which timeSpent It is recorded in the information element that the UE is outside the E-UTRA.
  • the E-UTRA here includes the out of service state or the use of other RATs.
  • the UE when the UE enters the camped normally state or E-UTRA, if it was in the "any cell selection" or “camped on any cell” state of LTE or NR before, the UE is in the variable VarMobilityHistoryReport Add an entry, and set the timeSpent element to the elapsed time in the "any cell selection” or “camped on any cell” state of LTE or NR.
  • the 3GPP protocol defines the maximum number of MHI entries stored by the UE, such as 16. When the UE performs the above-mentioned operation of adding a new entry, if the number of stored entries has reached the maximum value, the UE must , delete the oldest entry among the saved MHI entries.
  • the UE For a UE in the RRC connection state, if the UE supports saving MHI and there is an available MHI in the VarMobilityHistoryReport variable, the UE includes an uplink RRC message (such as RRC connection establishment complete, RRC connection recovery complete, RRC connection reconfiguration complete) Include a To inform the base station that it has an indication of the saved MHI (mobilityHistoryAvail information element), set the value of this information element to TRUE. The UE reports the saved MHI to the base station in the subsequent UE information process.
  • an uplink RRC message such as RRC connection establishment complete, RRC connection recovery complete, RRC connection reconfiguration complete
  • the base station requests the UE to report the stored MHI by carrying the mobilityHistoryReportReq information element set to TRUE in the UEInformationRequest message, and the UE then includes the relevant mobility history information in the mobilityHistoryReport information element in the corresponding UEInformationResponse message to report to the base station.
  • the UE When generating the mobilityHistoryReport information element in the UEInformationResponse message, in addition to including all the entries related to the historical cell in the UE variable VarMobilityHistoryReport saved in the mobilityHistoryReport information element, the UE will also create a new entry in this information element to record the current The cell information of the entry, that is, set the visitedCellId information element of this entry to the cell identifier of the current cell and set the timeSpent information element to the time elapsed in the current cell.
  • the cell information in the existing mechanism is for the serving cell in the idle state or the RRC inactive state or the PCell in the RRC connected state.
  • the UE performs the mobility of the PSCell at the same time.
  • the secondary base station SN can initiate the change of the PSCell by itself without the participation of the master base station MN.
  • the SN cannot obtain the MHI of the PCell/serving cell; secondly, considering the difference in network deployment between the MN and the SN (for example, in the EN-DC scenario, the MN and the SN are of different RATs), Even if the SN can obtain the MHI of the PCell/serving cell from the MN, because the SN lacks the network deployment information of the relevant PCell/serving cell, such as the size of the cell range, the SN may not be able to obtain helpful information from the MHI. Considering the above reasons, a feasible method is to enhance the MHI.
  • the enhancement includes the UE recording the MHI for the SCG PSCell, and the MHI can be reported to the MN for parameter optimization when the MN triggers the addition/change of the PSCell , may also be reported by the MN to the SN for PSCell selection or parameter optimization when the SN triggers a PSCell change.
  • M-MHI M-MHI
  • S-MHI S-MHI
  • the S-MHI and M-MHI of the UE are not stored or reported as two independent UE variables, but the S-MHI and M-MHI are associated together and stored in the same UE variable such as VarMobilityHistoryReport.
  • This associated S-MHI and M-MHI reporting method enables the network side to know the relationship between each PCell and PSCell experienced by the UE, such as the cell corresponding to a certain PSCell at that time, so as to obtain more accurate mobile information. or moving tracks.
  • One implementation A is that every time the PSCell is changed, the UE creates a new entry to record the identity of the PSCell, its corresponding PCell, and the corresponding stay time in the PSCell or PCell, that is, the maximum number of entries in each entry It contains only one PSCell ID and one PCell ID.
  • Another implementation mode B is that each entry contains only one PCell and zero or several sub-entries of PSCells.
  • the sub-entries of the several PSCells are sub-entries corresponding to one or more PSCells that the UE has experienced while in the PCell, and the sub-entries include the time that the UE stays in the PSCell. This disclosure is directed to the second implementation.
  • the UE receives a request to report the MHI from the network side, according to the mechanism of the existing system, the UE must include the contents of the UE variable corresponding to the MHI in the MobilityHistoryReport in the UEInformationResponse message, as well as the current Create a new entry for the cell PCell, which is used to include the cell identifier of the PCell and the time spent in the PCell.
  • the problem of duplication of entries in the current primary cell record may occur in the foregoing manner.
  • the current serving PCell of the UE is PCell1.
  • the PSCell of the UE When the PSCell of the UE is PSCell B, if it receives UEInformationRequest information from the network side requesting it to report the MHI, according to the existing mechanism, the UE not only includes the contents of the UE variable VarMobilityHistoryReport that saves the MHI in the mobilityHistoryReport to be reported, but also Create a new entry for the current cell PCell 1 in the mobilityHistoryReport, and record the information of the PCell 1.
  • VarMobilityHistoryReport already has an entry for this PCell 1, this makes the mobilityHistoryReport information element actually reported by the UE contain two entries for the current cell PCell 1, resulting in duplication, and also makes the base station, after receiving the report, still It is necessary to combine two entries to obtain the mobility information of the current cell PCell and the corresponding PSCell, which brings some complexity.
  • the present disclosure proposes a solution based on this problem. Different from the PCell, the PSCell of the UE does not always exist.
  • the network side can choose to release the SCG of the UE or not configure the SCG, so that the UE is in the single connection state, and the UE has no configured PSCell at this time.
  • the discontinuous configuration of PSCells is also considered.
  • the serving cell of the UE that recorded the S-MHI is in the connected state is a base station earlier than version 17, such as a base station of version 16, then the base station does not support the UE to report the movement history information containing the S-MHI, If the UE has already recorded the MHI associated with the previous PCell or the current PCell, how the UE reports the movement history information of the current PCell is also a concern of the present disclosure.
  • FIG. 2 is a flow chart of the method executed by the user equipment involved in Embodiments 1-3.
  • This embodiment proposes a method for reporting the MHI when the UE is configured with a DC and supports the MHI of the PSCell.
  • the method described in the present disclosure when using the aforementioned MHI implementation mode B, when the UE reports the MHI, it can avoid the problem of repeatedly reporting the MHI information of the current cell, reduce the signaling overhead, and reduce the network side analysis of repeated MHI. Come the complexity.
  • Step 1 The UE receives the UEInformationRequest message from the network side, which includes an indication for requesting the UE to report the mobility history information MHI (eg, mobilityHistoryReportReq is set to True).
  • the indication enables the UE to report the movement history information MHI including the S-MHI.
  • Step 2 When the UE generates a UEInformationResponse message in response to the network side, perform one or more of the following operations:
  • the mobilityInformationReport information element includes the mobilityInformationReport information element, and set it as an entry in the UE variable (such as VarMobilityHistoryReport) that contains the mobility history information; the mobilityInformationReport information element is used to include the mobility history information of the UE reported to the network side, where the information element
  • the names are examples only and do not qualify them.
  • the UE performs one or more of the following in the last entry of the mobilityInformationReport information element:
  • ⁇ contains the time information of staying in the current PCell (such as setting the timeSpent information element to the time of staying in the current PCell);
  • the time spent staying in the PSCell refers to the time the UE stays in the PSCell when the PCell corresponding to the PSCell is the current PCell.
  • the sub-entry added by the UE for recording PSCell information does not contain any PSCell cell ID, but only contains a time information, which is used to record the time when the UE is not configured with a PSCell.
  • the UE includes a new entry for the current PCell in the mobilityInformationReport information element, and performs one or more of the following in this entry:
  • ⁇ contains the time information of staying in the current PCell (such as setting the timeSpent information element to the time of staying in the current PCell);
  • adding a sub-entry for recording current PSCell information is only performed when the UE is enabled to report the S-MHI.
  • the sub-entry added by the UE for recording PSCell information does not contain any PSCell cell identifier, but only contains a time information, which is used to record that the UE is not configured. PSCell time.
  • the UE judges whether the current PCell is the same as the PCell in the last entry in the UE variable storing the movement history information based on the cell identity or the cell frequency.
  • Step 3 UE sends a UEinformationResponse message to the network side, which includes the movement history information generated in step 2.
  • This embodiment proposes a method for reporting the MHI when the UE is configured with a DC and supports the MHI of the PSCell.
  • the UE when using the aforementioned MHI implementation method B, if the network side does not support MHI including S-MHI (for example, the network side is a version 16 base station), the UE can avoid reporting the MHI of the current cell.
  • the problem of repeated reporting of the MHI information of the current cell can be reduced, while reducing the signaling overhead, and also avoiding the problem caused by the network side erroneously analyzing the repeated MHI of the current cell.
  • Step 1 The UE receives the UEInformationRequest message from the network side, which includes an indication for requesting the UE to report the mobility history information MHI (ie mobilityHistoryReportReq is set to True).
  • the indication is to instruct the UE to report the mobile history information MHI that does not include the S-MHI, that is, the mobile history information MHI that only includes the PCell in Release 16.
  • Step 2 When the UE generates a UEInformationResponse message in response to the network side, perform one or more of the following operations:
  • the mobilityInformationReport information element includes the mobilityInformationReport information element and set it to an entry in a UE variable (such as VarMobilityHistoryReport) containing the saved mobility history information; optionally, in this operation, set the mobilityInformationReport information element to the UE variable containing the saved mobility history information
  • a UE variable such as VarMobilityHistoryReport
  • the entries in do not include all the sub-entries in the UE variables for recording the PSCell's mobility history information, that is, only include the UE variables for recording the PCell's mobility history information.
  • the mobilityInformationReport information element is used to include the mobility history information of the UE reported to the network side, and the name of the information element here is only an example and does not limit its name.
  • Step 3 UE sends a UEinformationResponse message to the network side, which includes the movement history information generated in step 2.
  • This embodiment proposes a method for reporting the MHI when the UE is configured with a DC and supports the MHI of the PSCell.
  • the UE when using the aforementioned MHI implementation method B, if the network side does not support MHI including S-MHI (for example, the network side is a version 16 base station), the UE can avoid reporting the MHI of the current cell.
  • the problem of repeated reporting of the MHI information of the current cell can be reduced, while reducing the signaling overhead, and also avoiding the problem caused by the network side erroneously analyzing the repeated MHI of the current cell.
  • Step 1 The UE receives the UEInformationRequest message from the network side, which includes an indication for requesting the UE to report the mobility history information MHI (ie mobilityHistoryReportReq is set to True).
  • the indication is to instruct the UE to report the mobile history information MHI that does not include the S-MHI, that is, the mobile history information MHI that only includes the PCell in Release 16.
  • Step 2 When the UE generates a UEInformationResponse message in response to the network side, perform one or more of the following operations:
  • the mobilityInformationReport information element includes the mobilityInformationReport information element and set it to an entry in a UE variable (such as VarMobilityHistoryReport) containing the saved mobility history information; optionally, in this operation, set the mobilityInformationReport information element to the UE variable containing the saved mobility history information
  • the entries in do not include all the sub-entries in the UE variables for recording the PSCell's mobility history information, that is, only include the UE variables for recording the PCell's mobility history information.
  • the mobilityInformationReport information element is used to include the mobility history information of the UE reported to the network side, and the name of the information element here is only an example and does not limit the name.
  • the last entry of the UE in the mobilityInformationReport information element contains the time information of the current PCell (such as Set the timeSpent information element to the time spent in the current PCell);
  • FIG. 3 is a block diagram showing a user equipment UE according to the present invention.
  • the user equipment UE30 includes a processor 301 and a memory 302 .
  • the processor 301 may include, for example, a microprocessor, a microcontroller, an embedded processor, and the like.
  • the memory 302 may include, for example, a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memories.
  • Memory 302 has program instructions stored thereon. When the instructions are executed by the processor 301, various methods such as the above mobile information reporting method described in detail in the present invention can be executed.
  • base station refers to a mobile communication data and control switching center with relatively large transmission power and wide coverage area, including functions such as resource allocation and scheduling, and data reception and transmission.
  • User equipment refers to a user mobile terminal, such as a mobile phone, a notebook, and other terminal equipment capable of wireless communication with a base station or a micro base station.
  • the methods and related devices of the present disclosure have been described above in conjunction with preferred embodiments. Those skilled in the art can understand that the methods shown above are only exemplary. The methods of the present disclosure are not limited to the steps and order shown above.
  • the base station and user equipment shown above may include more modules, for example, may also include modules that may be developed or developed in the future and may be used for the base station, MME, or UE, and the like.
  • the various identifiers shown above are only exemplary rather than restrictive, and the present disclosure is not limited to specific information elements as examples of these identifiers. Numerous variations and modifications may be made by those skilled in the art in light of the teachings of the illustrated embodiments.
  • the program running on the device may be a program that causes a computer to realize the functions of the embodiments of the present disclosure by controlling a central processing unit (CPU).
  • the program or information processed by the program may be temporarily stored in volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memory systems.
  • a program for realizing the functions of the embodiments of the present disclosure can be recorded on a computer-readable recording medium.
  • the corresponding functions can be realized by causing a computer system to read programs recorded on the recording medium and execute the programs.
  • the so-called “computer system” here may be a computer system embedded in the device, which may include an operating system or hardware (such as peripheral devices).
  • the "computer-readable recording medium” may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a recording medium in which a short-term dynamic storage program is stored, or any other recording medium readable by a computer.
  • circuits for example, single-chip or multi-chip integrated circuits.
  • Circuits designed to perform the functions described in this specification may include general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combination of the above.
  • DSPs digital signal processors
  • ASICs application-specific integrated circuits
  • FPGAs field-programmable gate arrays
  • a general-purpose processor can be a microprocessor, or it can be any existing processor, controller, microcontroller, or state machine.
  • the above-mentioned circuits may be digital circuits or analog circuits. Where new integrated circuit technologies have emerged to replace existing integrated circuits due to advances in semiconductor technology, one or more embodiments of the present disclosure may also be implemented using these new integrated circuit technologies.
  • present disclosure is not limited to the above-described embodiments. Although various examples of the embodiments have been described, the present disclosure is not limited thereto.
  • Fixed or non-mobile electronic equipment installed indoors or outdoors can be used as terminal equipment or communication equipment, such as AV equipment, kitchen equipment, cleaning equipment, air conditioners, office equipment, vending machines, and other household appliances.

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Abstract

本公开提供移动信息报告方法以及用户设备。移动信息报告方法，包括：接收来自网络侧的第一UE信息请求消息，第一UE信息请求消息包含用于请求UE上报移动历史信息MHI的指示；在生成响应给网络侧的第二UE信息响应消息时，执行第一操作，第一操作是包含移动信息报告信息元素，并将移动信息报告信息元素设置为包含保存MHI的UE变量中的条目的操作，在生成响应给网络侧的第二UE信息响应消息时，执行至少如下操作之一：包含移动信息报告信息元素，将移动信息报告设置为包含保存MHI的UE变量中的条目；判断当前PCell是否与保存MHI的UE变量中的最后一个条目中的PCell相同；向网络侧发送第二UE信息响应消息。

Description

移动信息报告方法以及用户设备 技术领域
本公开涉及无线通信技术领域，更具体地，本公开涉及双连接(Dual Connectivity，DC)场景下的移动信息上报方法以及对应的用户设备。
背景技术
无线网络中通过网络优化可以达到优化网络性能的目的。一般对现有已部署和运行的网络进行数据采集和数据分析等手段，找出影响网络质量的原因，并且通过修改所配置的网络参数、调整网络结构和部署的设备等手段来提升网络性能。对于自配置和自优化网络(Self-configuration and Self-Optimization Network，SON)，指的是基于用户设备和/或基站的测量/性能测量来自动调节网络的过程。网络侧可以配置UE执行用于SON的测量。SON功能包含很多方面，如用于降低运营商的邻区管理负担的自动邻区关系功能(ANR，Automatic Neighbour Relation Function)、用于均衡不同小区之间负责的移动负载均衡功能(MLB，Mobility Load Balancing)，用于优化移动性能的移动鲁棒性优化功能(MRO，Mobility Robustness Optimization)、用于优化随机接入信道参数的随机接入信道优化功能和用于优化覆盖以及MRO的无线链路失败报告功能等。
2019年4月，在第三代合作伙伴计划(3rd Generation Partnership Project：3GPP)RAN#86次全会上批准了一个5G技术标准的新的研究项目(参见非专利文献：RP-193255：New WID on enhancement of data collection for SON/MDT in NR)。其研究目的之一在版本16的NR系统中的移动信息报告机制的基础上进行增强。
本公开的目的在于实现在NR系统中增强的移动信息报告机制，更进一步地，针对在DC场景下UE如何记录移动信息的问题提出解决方法。
发明内容
本公开实施例的目的在于在实现在版本16的NR系统中增强的移动信息报告机制，更进一步地，针对在DC场景下UE如何记录关于主辅小区组小区(Primary Secondary Cell Group Cell，PSCell)的移动信息的问题提出解决方法。本公开实施例提供了在用户设备中执行的移动信息报告方法以及相应的用户设备。
根据本公开的第一方面，提供了一种由用户设备UE执行的方法，包括：
第一步，所述UE接收来自网络侧的第一UEInformationRequest消息，该第一UEInformationRequest消息包含用于请求所述UE上报移动历史信息MHI的指示；
第二步，所述UE在生成响应给所述网络侧的第二UEInformationResponse消息时，执行第一操作，该第一操作是包含mobilityInformationReport信息元素，并将该mobilityInformationReport信息元素设置为包含保存所述MHI的UE变量中的条目的操作，
在生成响应给所述网络侧的所述第二UEInformationResponse消息时，执行下述操作的一种或多种：
包含所述mobilityInformationReport信息元素，并将该mobilityInformationReport设置为包含保存所述MHI的所述UE变量中的条目；
判断当前PCell是否与保存所述MHI的所述UE变量中的最后一个条目中的所述PCell相同；以及
第三步，所述UE向所述网络侧发送所述第二UEinformationResponse消息，其中，该第二UEinformationResponse消息包含在所述第二步中生成的MHI。
根据本公开的第一方面，在生成响应给所述网络侧的所述第二
UEInformationResponse消息时，执行下述操作的一种或多种：
包含所述mobilityInformationReport信息元素，并将该mobilityInformationReport设置为包含保存所述移动历史信息的所述UE变量中的条目；
判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell是否与所述当前PCell是同一个小区；以及
删除所述mobilityInformationReport信息元素中用于记录PSCell移动历史信息的所有子条目。
根据本公开的第一方面，在生成响应给所述网络侧的所述第二UEInformationResponse消息时，执行下述操作的一种或多种：
包含所述mobilityInformationReport信息元素，并将该mobilityInformationReport设置为包含保存所述移动历史信息的所述UE变量中的条目；
判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell是否与所述当前PCell是同一个小区；
在所述mobilityInformationReport信息元素中为所述当前PCell包含一个新的条目，并在该条目中执行下述一项或多项：包含所述当前PCell的小区标识；包含在所述当前PCell中所停留的时间信息；以及
删除所述mobilityInformationReport信息元素中用于记录所述PSCell移动历史信息的所有子条目。
根据本公开的第一方面，所述指示是指示所述UE上报不包含S-MHI的所述MHI。
根据本公开的第一方面，所述指示使能了所述UE上报包含所述S-MHI的所述MHI。
根据本公开的第一方面，判断所述当前PCell与保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell相同，则所述UE在所述mobilityInformationReport信息元素的最后一个条目中执行下述一项或多项：
包含在所述当前PCell中所停留的时间信息；以及
增加一个用于记录所述当前PSCell信息的子条目，在该子条目中，包含该PSCell的小区标识或在该PSCell所停留时间。
根据本公开的第一方面，
判断所述当前PCell与保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell不同，则所述UE在所述mobilityInformationReport信息元素中为所述当前PCell包含一个新的条目，并在该条目中执行下述一项或多项：
包含所述当前PCell的小区标识；
包含在所述当前PCell中所停留的时间信息；以及
增加一个用于记录所述当前PSCell信息的子条目，在该子条目中，包含该所述PSCell的小区标识或在该PSCell所停留时间。
根据本公开的第一方面，判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell与所述所述当前PCell是同一个小区，则所述UE删除所述mobilityInformationReport信息元素中最后一个条目。
根据本公开的第一方面，判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell与所述当前PCell是同一个小区，则所述UE在所述mobilityInformationReport信息元素中最后一个条目包含在所述当前PCell中所停留的时间信息。
根据本公开的第二方面，提供一种用户设备，包括：处理器；以及存储器，存储有指令；其中，所述指令在由所述处理器运行时执行根据上下文所述的移动信息报告方法。
发明效果
根据本发明，提供了在用户设备中执行的移动信息报告方法以及相应的用户设备。
附图说明
为了更完整地理解本公开及其优势，现在将参考结合附图的以下描述，其中：
图1是本发明的用户设备记录MHI的场景示意图。
图2是实施例1～3所涉及的由用户设备执行的方法的流程图。
图3是表示本发明所涉及的用户设备UE的框图。
在附图中，相同或相似的结构均以相同或相似的附图标记进行标识。
具体实施方式
根据结合附图对本公开示例性实施例的以下详细描述，本公开的其它方面、优势和突出特征对于本领域技术人员将变得显而易见。
在本公开中，术语“包括”和“含有”及其派生词意为包括而非限制；术语“或”是包含性的，意为和/或。
在本说明书中，下述用于描述本公开原理的各种实施例只是说明，不应该以任何方式解释为限制公开的范围。参照附图的下述描述用于帮助全面理解由权利要求及其等同物限定的本公开的示例性实施例。下述描述包括多种具体细节来帮助理解，但这些细节应认为仅仅是示例性的。因此，本领域普通技术人员应认识到，在不背离本公开的范围和精神的情况下，可以对本文中描述的实施例进行多种改变和修改。此外，为了清楚和简洁起见，省略了公知功能和结构的描述。此外，贯穿附图，相同参考数字用于相似功能和操作。
下文以长期演进系统(Long Term Evolution，LTE)/NR移动通信系统及其后续的演进版本作为示例应用环境，具体描述了根据本公开的多个实施方式。然而，需要指出的是，本公开不限于以下实施方式，而是可适用于更多其它的无线通信系统。若无特殊说明，在本公开中， 小区和基站的概念可以互相替换；LTE系统也用于指代5G及其之后的LTE系统(如称为eLTE系统，或者可以连接到5G核心网的LTE系统)，同时LTE可以用演进的通用陆地无线接入(Evolved Universal Terrestrial Radio Access，E-UTRA)或演进的通用陆地无线接入网E-UTRAN来替换。本公开中，RRC inactive状态也可对应于LTE系统中的RRC连接被挂起的RRC空闲状态。取消、释放、删除、清空和清除等可以替换。执行、使用和应用可替换。配置和重配置可以替换。链路和连接可以替换。监测(monitor)和检测(detect)可替换。
下述先简要描述本公开实施例所涉及到的在先技术。
DC下的辅小区组SCG和PSCell
DC场景下，UE可以同时通过两个基站获取无线资源。其中一个是主基站(Master Node，MN)，是UE维持RRC连接的基站，通过初始接入过程或切换过程而接入的基站；另外一个称为辅基站(Secondary Node，SN)，可以为UE提供额外的无线资源。对于一个UE，MN可以包含一个或多个服务小区，称为主小区组(Master Cell Group，MCG)，其中包含一个主小区(PCell)；SN也可包含一个或多个服务小区，称为辅小区组(Secondary Cell Group，SCG)，其中包含一个主辅小区组小区/或主辅小区PSCell。PCell和PSCell又可统称为特殊小区spCell。本公开中，SN和SCG、PSCell可以替换，MN和MCG、PCell可以替换。SN添加/变更/释放、SCG添加/变更/释放、MR-DC添加/变更/释放、PSCell添加/变更/释放在一定程度上可以替换。
现有机制中的移动信息报告机制：
当前的LTE系统和版本16的NR系统中，UE会记录移动历史信息(Mobility History Information，MHI)，在本公开中，也简称作移动信息或移动历史报告。所述MHI记录了UE所经历的服务小区/主小区(Primary Cell，PCell))的变更信息。网络侧通过获取UE的MHI，可以获知UE的移动轨迹并在一定程度上确定UE的移动速度。网络 侧在决定该UE的移动性操作如切换参数的配置、切换目标小区的选择时可以结合所获取的信息进行更优化的配置，从而确保UE的移动性能。
在RRC空闲态和RRC连接态下的UE当发生服务小区/主小区变更时，在UE变量VarMobilityHistoryReport中增加一个条目(entry)，在visitedCellId信息元素中记录之前的服务小区/PCell的小区标识(全局小区标识global cell identity或物理小区标识physical cell identity和小区的载波频率)，还包括在该小区所停留/花费的时间(以timeSpent信息元素标识)。在LTE系统中，当UE进入E-UTRA时若之前处于out of service状态或者使用的是其他接入技术(Radio Access Technology，RAT)，UE也会在变量VarMobilityHistoryReport中增加一个条目，在其中的timeSpent信息元素中记录UE处于E-UTRA之外的之间。这里的E-UTRA之外即包括out of service状态或使用其他RAT。在NR系统中，当UE进入正常驻留状态(camped normally state)或E-UTRA时，若之前处于LTE或NR的“any cell selection”或“camped on any cell”状态，则UE在变量VarMobilityHistoryReport中增加一个条目，并设置其中timeSpent元素为处于LTE或NR的“any cell selection”或“camped on any cell”状态所经历的时间。3GPP协议中定义了UE所保存的MHI的条目的最大数，比如16，当UE在执行上述增加一个新条目的操作时，若所保存的条目数量已达到最大值，则UE在增加新条目之前，删除所保存的MHI条目中最旧的条目。
处于RRC连接状态下的UE，若UE支持保存MHI且VarMobilityHistoryReport变量中有可用的MHI，则UE在上行RRC消息(如RRC连接建立完成、RRC连接恢复完成、RRC链接重配置完成)中包含一个用于告知基站其有保存的MHI的指示(mobilityHistoryAvail信息元素)，设置该信息元素的值为TRUE。UE在随后的UE information过程中将所保存的MHI上报给基站。具体地，基站通过在UEInformationRequest消息中携带置为TRUE的mobilityHistoryReportReq信息元素来请求UE上报所保存的MHI，UE 则在响应的UEInformationResponse消息中将相关的移动历史信息包含在mobilityHistoryReport信息元素中上报给基站。在生成UEInformationResponse消息中的mobilityHistoryReport信息元素时，UE除了将所保存的UE变量VarMobilityHistoryReport中的历史小区相关的所有条目包含在mobilityHistoryReport信息元素中外，还会在该信息元素中新创建一个条目用来记录当前的小区信息，即设置该条目的visitedCellId信息元素为当前小区的小区标识和设置timeSpent信息元素为在当前小区所经历的时间。
现有机制中所述小区信息是对于空闲态或RRC inactive非活动态的服务小区或RRC连接态的PCell而言的。在LTE/NR系统中的DC场景下，除了PCell的移动性，UE同时执行PSCell的移动性。对于PSCell的变更，辅基站SN可以自行发起PSCell的变更，而无需主基站MN参与。首先，现有MHI机制中，SN无法获取PCell/服务小区的MHI；其次，考虑到MN和SN的网络部署情况的不同(比如在EN-DC的场景下，MN和SN为不同的RAT)，即使SN可以从MN获取PCell/服务小区的MHI，因为SN缺乏对相关PCell/服务小区的网络部署信息，如小区范围大小等，SN可能无法从MHI中获取有帮助的信息。考虑到上述原因，一种可行的方法是，对MHI进行增强，所述增强包括UE记录对于SCG PSCell的MHI，该MHI可以上报给MN，以用于MN触发的PSCell添加/变更时的参数优化，也可以通过MN上报给SN以用于SN触发的PSCell变更时的PSCell选择或参数优化。为了便于描述，本公开中，将现有机制中的MHI称为M-MHI，而将基于PSCell变更而记录的PSCell的MHI称为S-MHI。
当前的3GPP结论中，UE的S-MHI和M-MHI不是作为独立的两个UE变量保存或上报，而是S-MHI和M-MHI关联在一起，保存在同一个UE变量中如VarMobilityHistoryReport。这种关联的S-MHI和M-MHI的报告方式，使得网络侧可以获知UE所经历的各个PCell和PSCell的关系，如某个PSCell当时对应的PCell是那个小区，从而得到更精确的移动信息或移动轨迹。一种实现方式A是，每一次PSCell 变更时，UE创建一个新的条目，记录PSCell的标识、其对应的PCell，及其对应的在该PSCell或PCell停留的时间，也就是每一个条目中最多仅包含一个PSCell的标识和一个PCell的标识。另一种实现方式B是，每一个条目中仅包含一个PCell，以及零个或几个PSCell的子条目。其中的几个PSCell的子条目是UE在该PCell时所经历的一个或多个PSCell所对应的子条目，所述子条目中包含UE在该PSCell中所停留的时间。本公开针对第二种实现方式。在这种实现方法下，为了记录PSCell的信息，对于一个PCell，当UE在该PCell第一次添加PSCell或第一个执行PSCell的变更时，UE就需要记录PSCell添加或变更之前的PSCell信息，一种可行的方法是，此时UE在用于记录MHI的UE变量VarMobilityHistoryReport中创建一个该PCell的条目，并将该次PSCell添加或变更记录。但若在此之后，UE收到网络侧的用于上报MHI的请求，根据现有系统的机制，UE在UEInformationResponse消息中的MobilityHistoryReport中除了包含MHI对应的UE变量中的内容外，还要为当前的小区PCell创建一个新的条目，用于包含该PCell的小区标识及在该PCell中所停留的时间。此时在前述方式下就可能会出现当前主小区记录条目重复的问题。如图1中所示，UE当前的服务PCell为PCell1，当UE进入PCell1时同时添加了PSCell A，然后经历了PSCell变更将PSCell变更为PSCell B，此时在PSCell变更时，UE在其用于保存MHI的UE变量VarMobilityHistoryReport中，添加一个新条目，其中记录了PCell 1和PSCell A以及在PSCell A和PCell 1中所停留的时间。当UE的PSCell为PSCell B时，若收到了网络侧请求其上报MHI的UEInformationRequest信息，则按照现有机制，UE除了将保存MHI的UE变量VarMobilityHistoryReport中的内容包含在要在上报的mobilityHistoryReport中外，还要在mobilityHistoryReport中为当前小区PCell 1创建一个新的条目，记录该PCell 1的信息。因为UE变量VarMobilityHistoryReport中已有该PCell 1的条目，这就使得UE实际上报的mobilityHistoryReport信息元素中包含了当前小区PCell 1的两 个条目，从而造成重复，也使得基站在收到该报告后，还需要结合着两个条目，才能得到当前小区PCell及对应的PSCell的移动信息，带来一些复杂性。本公开基于该问题提出解决方法。与PCell不同的是，UE的PSCell不是总是存在的。在一些情况下，比如处于RRC连接态的UE的业务量较小时，网络侧可以选择释放UE的SCG或者不配置SCG，使得UE处于单连接状态，此时UE没有配置的PSCell。本公开中也同样考虑了PSCell配置不连续的情况。另外，当记录了S-MHI的UE处于连接态时的服务小区是一个早于版本17的基站，如版本16的基站，那么该基站并不支持该UE上报包含S-MHI的移动历史信息，若UE上已经记录了对于之前PCell小区或当前PCell相关联的MHI时，UE如何上报当前PCell的移动历史信息也是本公开所关注的问题。
下述是本公开中基于上述问题在UE上执行的实施例。图2是实施例1～3所涉及的由用户设备执行的方法的流程图。
实施例1
该实施例提出了一种UE在配置了DC且支持PSCell的MHI情况下的MHI上报方法。根据本公开所述方法，在运用前述MHI实现方式B时，使得UE在上报MHI时，可以避免对当前小区的MHI信息重复上报的问题，减小信令开销，降低网络侧解析重复MHI而带来的复杂性。
如图2所示，包括以下步骤：
步骤1：UE接收来自网络侧的UEInformationRequest消息，其中包含用于请求UE上报移动历史信息MHI的指示(如mobilityHistoryReportReq置为True)。可选地，所述指示使能了UE上报包含S-MHI的移动历史信息MHI。
步骤2：UE在生成响应给网络侧的UEInformationResponse消息时，执行下述操作的一种或多种：
-包含mobilityInformationReport信息元素，并将其设置为包含保存移动历史信息的UE变量(如VarMobilityHistoryReport)中的条目；mobilityInformationReport信息元素用于包含向网络侧上报的UE的移动历史信息，此处该信息元素的名称仅为示例，并不限定其名称。
-判断当前PCell是否与保存移动历史信息的UE变量中的最后一个条目中的PCell相同；
■如果相同，则UE在mobilityInformationReport信息元素的最后一个条目中执行下述一项或多项：
◆包含在当前PCell中所停留的时间信息(如设置timeSpent信息元素为在当前PCell中所停留的时间)；
◆增加一个用于记录当前PSCell信息的子条目，在该子条目中，包含该PSCell的小区标识或在该PSCell所停留时间。所述在该PSCell所停留的时间指的是在该PSCell所对应的PCell是当前这个PCell下UE在该PSCell所停留的时间。考虑UE此时没有被配置PSCell的情况，此时UE增加的用于记录PSCell信息的子条目中不包含任何PSCell小区标识，仅包含一个时间信息，用于记录UE处于没有被配置PSCell的时间。
■如果不同，则UE在mobilityInformationReport信息元素中为当前PCell包含一个新的条目，并在该条目中执行下述一项或多项：
◆包含当前PCell的小区标识；
◆包含在当前PCell中所停留的时间信息(如设置timeSpent信息元素为在当前PCell中所停留的时间)；
◆增加一个用于记录当前PSCell信息的子条目，在该子条目中，包含该PSCell的小区标识或在该PSCell所停留时间。可选地，增加一个用于记录当前PSCell信息的子条目仅在UE被使能了上报S-MHI时执行。可选地，考虑UE此时没有被配置PSCell的情况，此时UE增加的用于记录PSCell 信息的子条目中不包含任何PSCell小区标识，仅包含一个时间信息，用于记录UE处于没有被配置PSCell的时间。
所述UE判断当前PCell是否与保存移动历史信息的UE变量中的最后一个条目中的PCell相同，是基于小区标识或小区频率。
步骤3：UE向网络侧发送UEinformationResponse消息，其中包含步骤2中生成的移动历史信息。
实施例2
该实施例提出了一种UE在配置了DC且支持PSCell的MHI情况下的MHI上报方法。根据本公开所述方法，在运用前述MHI实现方式B时，若网络侧不支持包含S-MHI的MHI(如网络侧为版本16的基站)，使得UE在上报MHI时，可以避免对当前小区的MHI信息重复上报的问题，减小信令开销的同时，也避免网络侧错误解析对当前小区的重复MHI而带来的问题。
如图2所示，包括以下步骤：
步骤1：UE接收来自网络侧的UEInformationRequest消息，其中包含用于请求UE上报移动历史信息MHI的指示(即mobilityHistoryReportReq置为True)。所述指示是指示UE上报不包含S-MHI的移动历史信息MHI，即版本16中的仅包含PCell的移动历史信息MHI。
步骤2：UE在生成响应给网络侧的UEInformationResponse消息时，执行下述操作的一种或多种：
-包含mobilityInformationReport信息元素，并将其设置为包含保存移动历史信息的UE变量(如VarMobilityHistoryReport)中的条目；可选地，在该操作中，将mobilityInformationReport信息元素设置为包含保存移动历史信息的UE变量(如VarMobilityHistoryReport)中的条目不包括所述UE变量中的所有用于记录PSCell的移动历史信息的子条目，即仅包括所述UE变量中用于记录PCell移动历史信息内容。mobilityInformationReport信息元素用于包含向网络侧上报的UE的移动历史信息，此处该信息元素的名称仅为示例，并不 限定其名称。
-判断保存移动历史信息的UE变量中的最后一个条目中的PCell是否与当前PCell是同一个小区；若是，则UE删除mobilityInformationReport信息元素中最后一个条目。
-在mobilityInformationReport信息元素中为当前PCell包含一个新的条目，并在该条目中执行下述一项或多项：包含当前PCell的小区标识；包含在当前PCell中所停留的时间信息(如设置timeSpent信息元素为在当前PCell中所停留的时间)；
-删除mobilityInformationReport信息元素中用于记录PSCell移动历史信息的所有子条目。
步骤3：UE向网络侧发送UEinformationResponse消息，其中包含步骤2中生成的移动历史信息。
实施例3
该实施例提出了一种UE在配置了DC且支持PSCell的MHI情况下的MHI上报方法。根据本公开所述方法，在运用前述MHI实现方式B时，若网络侧不支持包含S-MHI的MHI(如网络侧为版本16的基站)，使得UE在上报MHI时，可以避免对当前小区的MHI信息重复上报的问题，减小信令开销的同时，也避免网络侧错误解析对当前小区的重复MHI而带来的问题。
如图2所示，包括以下步骤：
步骤1：UE接收来自网络侧的UEInformationRequest消息，其中包含用于请求UE上报移动历史信息MHI的指示(即mobilityHistoryReportReq置为True)。所述指示是指示UE上报不包含S-MHI的移动历史信息MHI，即版本16中的仅包含PCell的移动历史信息MHI。
步骤2：UE在生成响应给网络侧的UEInformationResponse消息时，执行下述操作的一种或多种：
-包含mobilityInformationReport信息元素，并将其设置为包含保存 移动历史信息的UE变量(如VarMobilityHistoryReport)中的条目；可选地，在该操作中，将mobilityInformationReport信息元素设置为包含保存移动历史信息的UE变量(如VarMobilityHistoryReport)中的条目不包括所述UE变量中的所有用于记录PSCell的移动历史信息的子条目，即仅包括所述UE变量中用于记录PCell移动历史信息内容。mobilityInformationReport信息元素用于包含向网络侧上报的UE的移动历史信息，此处该信息元素的名称仅为示例，并不限定其名称。
-判断保存移动历史信息的UE变量中的最后一个条目中的PCell是否与当前PCell是同一个小区；若是，则UE在mobilityInformationReport信息元素中最后一个条目包含在当前PCell中所停留的时间信息(如设置timeSpent信息元素为在当前PCell中所停留的时间)；
-删除mobilityInformationReport信息元素中用于记录PSCell移动历史信息的所有子条目。
实施例4
该实施例对本公开的用户设备UE进行说明。图3是表示本发明所涉及的用户设备UE的框图。如图3所示，该用户设备UE30包括处理器301和存储器302。处理器301例如可以包括微处理器、微控制器、嵌入式处理器等。存储器302例如可以包括易失性存储器(如随机存取存储器RAM)、硬盘驱动器(HDD)、非易失性存储器(如闪速存储器)、或其他存储器等。存储器302上存储有程序指令。该指令在由处理器301运行时，可以执行本发明中详细描述的上述移动信息报告方法等的各种方法。
本公开中，一些不同实施例之间可以协同工作，除非特别指出，实施例之间的概念或定义可以通用。
在本公开中，“基站”是指具有较大发射功率和较广覆盖面积的移动通信数据和控制交换中心，包括资源分配调度、数据接收发送等功能。“用户设备”是指用户移动终端，例如包括移动电话、笔记本等可以与基站或者微基站进行无线通信的终端设备。
上文已经结合优选实施例对本公开的方法和涉及的设备进行了描述。本领域技术人员可以理解，上面示出的方法仅是示例性的。本公开的方法并不局限于上面示出的步骤和顺序。上面示出的基站和用户设备可以包括更多的模块，例如还可以包括可以开发的或者将来开发的可用于基站、MME、或UE的模块等等。上文中示出的各种标识仅是示例性的而不是限制性的，本公开并不局限于作为这些标识的示例的具体信元。本领域技术人员根据所示实施例的教导可以进行许多变化和修改。
运行在根据本公开的设备上的程序可以是通过控制中央处理单元(CPU)来使计算机实现本公开的实施例功能的程序。该程序或由该程序处理的信息可以临时存储在易失性存储器(如随机存取存储器RAM)、硬盘驱动器(HDD)、非易失性存储器(如闪速存储器)、或其他存储器系统中。
用于实现本公开各实施例功能的程序可以记录在计算机可读记录介质上。可以通过使计算机系统读取记录在所述记录介质上的程序并执行这些程序来实现相应的功能。此处的所谓“计算机系统”可以是嵌入在该设备中的计算机系统，可以包括操作系统或硬件(如外围设备)。“计算机可读记录介质”可以是半导体记录介质、光学记录介质、磁性记录介质、短时动态存储程序的记录介质、或计算机可读的任何其他记录介质。
用在上述实施例中的设备的各种特征或功能模块可以通过电路(例如，单片或多片集成电路)来实现或执行。设计用于执行本说明书所描述的功能的电路可以包括通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)、或其他可编程逻辑器件、分立的门或晶体管逻辑、分立的硬件组件、或上述器件的任意组合。通用处理器可以是微处理器，也可以是任何现有的处理器、控制器、微控 制器、或状态机。上述电路可以是数字电路，也可以是模拟电路。因半导体技术的进步而出现了替代现有集成电路的新的集成电路技术的情况下，本公开的一个或多个实施例也可以使用这些新的集成电路技术来实现。
此外，本公开并不局限于上述实施例。尽管已经描述了所述实施例的各种示例，但本公开并不局限于此。安装在室内或室外的固定或非移动电子设备可以用作终端设备或通信设备，如AV设备、厨房设备、清洁设备、空调、办公设备、自动贩售机、以及其他家用电器等。
如上，已经参考附图对本公开的实施例进行了详细描述。但是，具体的结构并不局限于上述实施例，本公开也包括不偏离本公开主旨的任何设计改动。另外，可以在权利要求的范围内对本公开进行多种改动，通过适当地组合不同实施例所公开的技术手段所得到的实施例也包含在本公开的技术范围内。此外，上述实施例中所描述的具有相同效果的组件可以相互替代。

Claims (10)

  1. 一种由用户设备UE执行的方法，包括：
    第一步，所述UE接收来自网络侧的第一UEInformationRequest消息，该第一UEInformationRequest消息包含用于请求所述UE上报移动历史信息MHI的指示；
    第二步，所述UE在生成响应给所述网络侧的第二UEInformationResponse消息时，执行第一操作，该第一操作是包含mobilityInformationReport信息元素，并将该mobilityInformationReport信息元素设置为包含保存所述MHI的UE变量中的条目的操作，
    在生成响应给所述网络侧的所述第二UEInformationResponse消息时，执行下述操作的一种或多种：
    包含所述mobilityInformationReport信息元素，并将该mobilityInformationReport设置为包含保存所述MHI的所述UE变量中的条目；
    判断当前PCell是否与保存所述MHI的所述UE变量中的最后一个条目中的所述PCell相同；以及
    第三步，所述UE向所述网络侧发送所述第二UEinformationResponse消息，其中，该第二UEinformationResponse消息包含在所述第二步中生成的MHI。
  2. 根据权利要求1所述的方法，其特征在于，
    在生成响应给所述网络侧的所述第二UEInformationResponse消息时，执行下述操作的一种或多种：
    包含所述mobilityInformationReport信息元素，并将该mobilityInformationReport设置为包含保存所述移动历史信息的所述UE变量中的条目；
    判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell是否与所述当前PCell是同一个小区；以及
    删除所述mobilityInformationReport信息元素中用于记录PSCell移动历史信息的所有子条目。
  3. 根据权利要求1所述的方法，其特征在于，
    在生成响应给所述网络侧的所述第二UEInformationResponse消息时，执行下述操作的一种或多种：
    包含所述mobilityInformationReport信息元素，并将该mobilityInformationReport设置为包含保存所述移动历史信息的所述UE变量中的条目；
    判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell是否与所述当前PCell是同一个小区；
    在所述mobilityInformationReport信息元素中为所述当前PCell包含一个新的条目，并在该条目中执行下述一项或多项：包含所述当前PCell的小区标识；包含在所述当前PCell中所停留的时间信息；以及
    删除所述mobilityInformationReport信息元素中用于记录所述PSCell移动历史信息的所有子条目。
  4. 根据权利要求1所述的方法，其特征在于，
    所述指示是指示所述UE上报不包含S-MHI的所述MHI。
  5. 根据权利要求1所述的方法，其特征在于，
    所述指示使能了所述UE上报包含所述S-MHI的所述MHI。
  6. 根据权利要求1所述的方法，其特征在于，
    判断所述当前PCell与保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell相同，则所述UE在所述mobilityInformationReport信息元素的最后一个条目中执行下述一项或多项：
    包含在所述当前PCell中所停留的时间信息；以及
    增加一个用于记录所述当前PSCell信息的子条目，在该子条目中，包含该PSCell的小区标识或在该PSCell所停留时间。
  7. 根据权利要求1所述的方法，其特征在于，
    判断所述当前PCell与保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell不同，则所述UE在所述mobilityInfor mationReport信息元素中为所述当前PCell包含一个新的条目，并在该条目中执行下述一项或多项：
    包含所述当前PCell的小区标识；
    包含在所述当前PCell中所停留的时间信息；以及
    增加一个用于记录所述当前PSCell信息的子条目，在该子条目中，包含该所述PSCell的小区标识或在该PSCell所停留时间。
  8. 根据权利要求2所述的方法，其特征在于，
    判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell与所述所述当前PCell是同一个小区，则所述UE删除所述mobilityInformationReport信息元素中最后一个条目。
  9. 根据权利要求2所述的方法，其特征在于，
    判断保存所述移动历史信息的所述UE变量中的最后一个条目中的所述PCell与所述当前PCell是同一个小区，则所述UE在所述mobilityInformationReport信息元素中最后一个条目包含在所述当前PCell中所停留的时间信息。
  10. 一种用户设备，包括：
    处理器；以及
    存储器，存储有指令；
    其中，所述指令在由所述处理器运行时执行根据权利要求1至9中的任一项所述的方法。
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